spike 28 nylon pin bristle radial brush a styling brush for quick, easy blow-drying. boar bristles help to stretch the hair, while the nylon pins smooth, polish and add shine. benefits. natural boar bristles distribute natural oils to help reduce damage and frizz. heat resistant, nylon pins polish cuticle to smooth and add shine. handle pick allows for easy sectioning.made with wood from well-managed forests. how to use. blow-dry hair until almost dry. work with small sections, place spike at the roots and apply heat by directing a blow-dryer at the barrel. allow each section to cool before brushing from roots to ends.